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Burr-Brown Corporation - 16-Bit/ 8-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER

Numéro de référence ADS8344E
Description 16-Bit/ 8-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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ADS8344E fiche technique
®
ADS8344 ¤
ADS8344
For most current data sheet and other product
information, visit www.burr-brown.com
ADS8344 ¤
16-Bit, 8-Channel Serial Output Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
q PIN FOR PIN WITH ADS7844
q SINGLE SUPPLY: 2.7V to 5V
q 8-CHANNEL SINGLE-ENDED OR
4-CHANNEL DIFFERENTIAL INPUT
q UP TO 100kHz CONVERSION RATE
q 84dB SINAD
q SERIAL INTERFACE
q QSOP-20 AND SSOP-20 PACKAGES
APPLICATIONS
q DATA ACQUISITION
q TEST AND MEASUREMENT
q INDUSTRIAL PROCESS CONTROL
q PERSONAL DIGITAL ASSISTANTS
q BATTERY-POWERED SYSTEMS
DESCRIPTION
The ADS8344 is an 8-channel, 16-bit sampling ana-
log-to-digital converter (ADC) with a synchronous
serial interface. Typical power dissipation is 10mW at
a 100kHz throughput rate and a +5V supply. The
reference voltage (VREF) can be varied between 500mV
and V , providing a corresponding input voltage
CC
range of 0V to VREF. The device includes a shutdown
mode which reduces power dissipation to under 15µW.
The ADS8344 is guaranteed down to 2.7V operation.
Low power, high speed, and on-board multiplexer
make the ADS8344 ideal for battery operated systems
such as personal digital assistants, portable multi-
channel data loggers, and measurement equipment.
The serial interface also provides low-cost isolation
for remote data acquisition. The ADS8344 is available
in a QSOP-20 or a SSOP-20 package and is guaran-
teed over the –40°C to +85°C temperature range.
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
VREF
Eight
Channel
Multiplexer
SAR
CDAC
Comparator
Serial
Interface
and
Control
DCLK
CS
SHDN
DIN
DOUT
BUSY
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©2000 Burr-Brown Corporation
PDS-11571A
ADPriSnte8d 3in4U.4S.A. April, 2000
®

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